{
  "name": "CryptoListing.ws",
  "short_name": "CryptoListing",
  "id": "/",
  "start_url": "/",
  "scope": "/",
  "description": "Real-time WebSocket API for crypto exchange listing announcements (Binance, Upbit, Bithumb).",
  "categories": ["finance", "developer", "productivity"],
  "lang": "en",
  "icons": [
    { "src": "/icon-192.png", "sizes": "192x192", "type": "image/png", "purpose": "any" },
    { "src": "/icon-512.png", "sizes": "512x512", "type": "image/png", "purpose": "any" },
    { "src": "/icon-192.png", "sizes": "192x192", "type": "image/png", "purpose": "maskable" },
    { "src": "/icon-512.png", "sizes": "512x512", "type": "image/png", "purpose": "maskable" }
  ],
  "theme_color": "#06060a",
  "background_color": "#06060a",
  "display": "standalone",
  "orientation": "any"
}